| Category | Format | Size |
|---|---|---|
| Western Normal University Edition Third Grade Mathematics Volume 1 | pptx | 6 MB |
"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware 2
Description
"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware 2
teaching objectives
In this lesson, we mainly learn the estimation of dividing two-digit numbers by one-digit numbers. Through learning activities, students can master the estimation method of dividing close to whole tens by one-digit numbers and make estimates.
Just make a rough estimate
59÷3
59 yuan is close to 60 yuan,
60÷3＝20(kg)
Summary of this lesson
In this lesson, we mainly learned the estimation of division of two-digit numbers by one-digit numbers. Not only can estimation be used to quickly calculate approximations, but sometimes it can also be used to check whether the calculation results are accurate, which is of great use in life and learning.
Keywords: Division courseware for dividing two-digit numbers by one-digit numbers, estimating courseware for dividing two-digit numbers by one-digit numbers, Western Normal University version third-grade mathematics volume PPT courseware download, third-grade mathematics slide courseware download, two-digit numbers Download PPT courseware on division by one digit, download PPT courseware on estimation of two digits divided by one digit, in .PPT format;
For more information about the PPT courseware "Division of two digits divided by one digit, estimation of division of two digits by one digit", please click Division of two digits divided by one digit ppt Division of two digits divided by one digit Estimate ppt labels.
"Estimation of dividing two-digit numbers by one-digit numbers" Division of two-digit numbers by one-digit numbers PPT courseware:
"Estimation of dividing two-digit numbers by one-digit numbers" PPT courseware for dividing two-digit numbers by one-digit numbers Estimation 593 917 468 325 Thinking: Compare the two factors of the above formulas, what do you find in common? Oral calculation 404= 80 4= 90 3= 80 2= 20 4= 50 5= ..
File Info
Update Time: 2024-07-05
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